Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Find the mean as well as standard deviation of the sample mean also find the probability for the sample mean appears under Normal distribution.

A large tank of fish from a hatchery is being delivered to a lake. The hatchery claims that the mean length of fish in the tank is 15 inches and the standard deviation is 2 inches. A random sample of 36 fish is taken from the tank.

1) State the random variable.

2) What is the mean of the sample mean, µ?

3) What is the standard deviation of the sample mean, σ -X?

4) Draw the distribution for the sample mean, -X.

5) What is the probability that the sample mean is within 0.5 inches of the claimed population mean?

6) describe what is the probability that the sample mean is less than 14 inches?

7) Suppose that you do pull out 36 fish from the tank and they do have a sample mean less than 14 inches, what would you think about the hatchery's claim? Would you continue using this hatchery?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921155

Have any Question? 


Related Questions in Statistics and Probability

The average batter life of the iphone 4s is reported to be

The average batter life of the iPhone 4S is reported to be 6.0 hours by Apple. Assume that the population standard deviation for the better life for this cell phone is 30 minutes. A random sample of 50 iPhones had an ave ...

Relate the content of this video to the industry segment of

Relate the content of this video to the Industry segment of the external environment by describing which of Porter's Five Competitive Forces is the focus of Outsell Consulting's value proposition? What is the nature of t ...

The mean sat score in mathematics is 515 the founders of a

The mean SAT score in mathematics is 515 . The founders of a nationwide SAT preparation course claim that graduates of the course score higher, on average, than the national mean. Suppose that the founders of the course ...

Please no plagiarism1 compare and contrast the northern and

Please no plagiarism. 1. Compare and contrast the Northern and Southern economies and societies in the antebellum period. How did industrialization develop in the North, and plantation slavery in the South? How did the e ...

According to a recent poll 29 of adults in a certain area

According to a recent poll, 29% of adults in a certain area have high levels of cholesterol. They report that such elevated levels "could be financially devastating to the regions healthcare system" and are a major conce ...

In a clinical study of an allergy drug 103 of the 202

In a clinical study of an allergy drug, 103 of the 202 subjects reported experiencing significant relief from their symptoms. At the 0.05 significance level, test the claim that more than half of all those using the drug ...

In a recent poll of 760 homeowners in the united states one

In a recent poll of 760 homeowners in the United States, one in five homeowners reports having a home equity loan that he or she is currently paying off. Using a confidence coefficient of 0.90, derive an interval estimat ...

Measures of central tendency summative taskon a separate

Measures of Central Tendency Summative Task On a separate paper hand out the solution of the two parts of the investigation: Part One - Use the given data set to solve the following problems: 50, 55, 60, 60,70, 80 A. Fin ...

A geologist collects hand-specimen sized pieces of

A geologist collects hand-specimen sized pieces of limestone from a particular area. A qualitative assessment of both texture and color is made with the following results. Is there evidence of association between color a ...

Assignment choice 1 the great migrationwrite an essay on

Assignment Choice #1: The Great Migration Write an essay on the great migration of the black population to the northern United States.  What were the reasons for the great migration? What were some of the risks involved ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen